//设置常见的屏幕尺寸，修改里面文字大小
a {
    text-decoration: none;
}
//pc端的尺寸设为固定，放在最上边(因为代码从上到下执行)
html {
    font-size: 50px;
}
//此项目定义划分份数为 15
@no:15;
//320px
@media screen and (min-width:320px) {
    html {
        font-size: 320px / @no;
    }
}
//360px
@media screen and (min-width:360px) {
    html {
        font-size: 360px / @no;
    }
}
//375px
@media screen and (min-width:375px) {
    html {
        font-size: 375px / @no;
    }
}
//384px
@media screen and (min-width:384px) {
    html {
        font-size: 384px / @no;
    }
}
//400px
@media screen and (min-width:400px) {
    html {
        font-size: 400px / @no;
    }
}
//414px
@media screen and (min-width:414px) {
    html {
        font-size: 414px / @no;
    }
}
//424px
@media screen and (min-width:424px) {
    html {
        font-size: 424px / @no;
    }
}
//480px
@media screen and (min-width:480px) {
    html {
        font-size: 480px / @no;
    }
}
//540px
@media screen and (min-width:540px) {
    html {
        font-size: 540px / @no;
    }
}
//720px
@media screen and (min-width:720px) {
    html {
        font-size: 720px / @no;
    }
}
//750px
@media screen and (min-width:750px) {
    html {
        font-size: 750px / @no;
    }
}
